Pioneer Dj DDJ-FLX4 Portable 2-Channel rekordbox DJ and Serato Controller (Graphite) - Manual (Page 158)

Additional information
158
En
 When using the Bluetooth connection, sound from the
microphone connected to the unit doesn’t output.
• Microphone sound can't be output from the [MASTER] output
terminals or headphones output terminal on the unit when the
Bluetooth connection is in use.
When the USB connection is in use, sound can be output from the
[MASTER] output terminals and headphones output terminal on the
unit.
 rekordbox becomes unstable.
• Update rekordbox to the latest version. See: Installing rekordbox for
iOS/Android (page 107)
• Quit any other applications on your mobile device. If rekordbox
remains unstable, try disabling the wireless network or other wireless
connections, antivirus application, low-power mode, etc. (When
quitting antivirus security software, before doing so, disable the
internet connection to ensure the security of your mobile device.)
 BPM and beatgrid are not displayed correctly./Beatgrid is
misaligned.
• Change the BPM analysis range and analyze the track again. If it
doesn’t work, manually set the beatgrid and BPM.
 Fader Start doesn’t work.
• Set a cue.
• To activate Fader Start, set [Fader Start] to on in [Settings] > [DDJ-
FLX4 settings] in rekordbox.